The Clock Drawing Test (CDT) was originally used to evaluate visuo- constructive abilities, and is now broadly used to assess cognitive impairments in adults.2-4 CDT is widely used as a measure of spatial dysfunction and unilateral neglect in adults. We examined 87 clocks drawn by neurologically impaired patients and age-matched controls, and propose a set of criteria for scoring clocks. Clock Drawing Test Patient’s Name: Date: Instructions for the Clock Drawing Test: Step 1: Give patient a sheet of paper with a large (relative to the size of handwritten numbers) predrawn circle on it. The Pre-drawn Clock version is easier because the circle representing the clock face is already drawn. The CDT basically consists of the drawing of different elements of a clock, including the clock face, numbers, and arrow-hands. Step 2: Instruct patient to draw numbers … In conclusion, the Clock Drawing Test is widely used, easy to administer and score, and has a high sensitivity to correctly detecting Alzheimer’s Disease. The Clock Drawing Test Instructions. Objective: The Clock Drawing Test (CDT) is commonly used as a screening tool for the assessment of dementia. 2 To correctly depict a clock, patients must be able to follow directions, … As a population screening tool for cognitive impairment in the community setting, the Clock-Drawing Test (CDT) warrants consideration as a quicker, simpler, and possibly more cost-effective screening instrument for use in primary care. Make it large enough so that a child could read it.” “Now place the hands on the clock so that it reads 10 after 11.” return to top. Indicate the top of the page. Outcome Measures in Stroke Rehabilitation pg. Patients with probable Alzheimer's Abstract. Abstract. Clock Drawing Test Frenchay Aphasia Screening Test Fugl-Meyer Assessment General Health Questionnaire -28 Geriatric Depression Scale “I’d like you to draw a large circle and fill it in with numbers like on the face of a clock. The clock-drawing test was originally developed in the early 1900s to evaluate soldiers who had suffered head wounds to the occipital or parietal lobes, which often caused subsequent difficulty composing images correctly with the appropriate number of parts of the correct size and orientation (i.e., constructional apraxia). Pre-drawn Clock. 4 To our knowledge, this is the first reported case of factitious clock drawing and constructional apraxia. Set-up: Equipment required includes a blank sheet of paper, a sheet of paper with a clock on one side, a pen, and a chair/table for ease of drawing. General Information: Provide the patient with an 8.5 x 11-in. blank sheet of paper and a pencil. Relationships Among Number-Order Errors in the Clock Drawing Test The reversed clock phenomenon (RCP) is an extreme example, in which 1–12 are written counterclockwise. The inability to copy line drawings or to draw a clock is, from a neurologist's perspective, typically associated with parietal lobe dysfunction, usually of the non-dominant hemisphere, especially if associated with left hemispatial neglect. Objective:The Clock Drawing Test (CDT) is commonly used as a screening tool for the assessment of dementia. The association between the CDT in acute stroke and long-term functional and cognitive outcomes in this population is … The Clock Drawing Test (CDT) is also adopted as a screening tool for cognitive impairment in several conditions such as dementia, stroke, schizophrenia, mild cognitive impairment and mood disorders 1 . Clock-drawing is a widely used bedside test of constructional ability, but it has never been systematically studied or standardized. 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